PghTech.homepage = function(){
	var tabView = new YAHOO.widget.TabView("homepage");
	tabView.set('activeIndex', 0); // make first tab active
	
	tabView.addListener("activeTabChange",function(eventObj){
		var image = YAHOO.util.Dom.getElementsByClassName("masthead","*","homepage")[0];
		var tabIndex = tabView.getTabIndex(eventObj.newValue);
		var reg = /(.*)\/(\d*)\.jpg/;
		image.src = image.src.replace(reg,("$1/0"+(tabIndex+1)+".jpg"));
	});
}
YAHOO.util.Event.onContentReady('homepage',function(e){
	PghTech.homepage();
});